Across
- 2. Sudden shaking of ground
- 4. Severe snowstorm
- 5. Pellets of frozen rain
- 6. Whirling column of air and water mist
- 9. Mass of snow in swift motion down a mountain
- 10. Unplanned fire in a natural area
- 13. Spinning clouds with funnel shape
- 14. Tornado with narrow rope-like condensation
- 16. Deficiency of preciptation
- 17. Sudden powerful air current
- 18. Movement of mass earth down a slope
Down
- 1. Wall of dust blown into an area
- 3. Mass of fallen rock
- 5. Storm with violent wind
- 7. Ocean wave caused by underwater earthquake
- 8. Invasion of warm air
- 11. Flood caused by rainfall in a short period
- 12. When water vapor condenses
- 15. Small whirlwind column of dust
- 19. Electrical discharge between a cloud and the ground